#!/bin/bash

CONFIG_MAK=config.mak
MAKEFILE=Makefile

debug="no"
coverage="no"
release="no"
output_dir="."
proj_dir=$(dirname "$BASH_SOURCE")

for arg in $@; do
    case $arg in
	--debug)
	    debug="yes"
	;;
	--release)
	    release="yes"
	;;
	--coverage)
	    coverage="yes"
	;;
	*)
	    echo "unknown option $arg"
	    exit 1
    esac
done

add_define()
{
    var=$1
    shift

    if [[ $# -gt 0 ]]; then
	echo "$var=$@" >> $CONFIG_MAK
    else
	echo "# $var is not defined" >> CONFIG_MAK
    fi

}

quiet()
{
    $@ 2> /dev/null 1> /dev/null
}

quiet rm $CONFIG_MAK

if [[ ! -e $MAKEFILE ]]; then
    quiet ln -s $proj_dir/$MAKEFILE $MAKEFILE
fi

ccflags_extra=""
ldflags_extra=""

if [[ "$debug" == "yes" ]]; then
    ccflags_extra="$ccflags_extra -DLOG_LEVEL=5 -DDEBUG -O0 -ggdb"
fi

if [[ "$coverage" == "yes" ]]; then
   ccflags_extra="$ccflags_extra --coverage -fprofile-arcs -ftest-coverage"
   ldflags_extra="$ldflags_extra -lgcov --coverage"
fi

if [[ "$release" == "yes" ]]; then
    ccflags_extra="$ccflags_extra -O3"
fi

add_define CCFLAGS_EXTRA "$ccflags_extra"
add_define LDFLAGS_EXTRA "$ldflags_extra"
add_define OUT "$output_dir"
add_define SRC_DIR "$proj_dir/src"

exit 0